Low-Voltage Distribution Cabinet Series
GGD Low-Voltage Fixed Switchgear Cabinet
Keywords:
Technical Performance
Technical Specification
• System: Three-phase AC, 50 Hz; rated operating voltage 380 V/400 V; rated current ≤ 3150 A; single- or three-phase, four-wire or five-wire system.
• Applications: Power plants, substations, industrial and mining enterprises, and civil buildings; used for receiving power, power distribution, motor control, and lighting circuits.
• Standards: GB/T 7251.1/5/12, JB/T 5877, IEC 61439-1/2.
• Altitude: ≤2000m.
• Temperature: -5℃ to +40℃, with a 24-hour average ≤35℃.
• Humidity: ≤50% at 40°C; ≤90% at 20°C (no condensation).
• Environment: No explosive atmospheres, no severe vibrations, no corrosive gases; tilt angle ≤ 5°.
Performance Features
• Modular steel frame: fabricated from 8MF cold‑formed steel, assembled with bolts; features 20 mm modular holes, offering high rigidity and broad versatility, and can be pre‑fabricated to shorten the construction schedule.
• Fixed‑partition type: The busbar compartment, circuit breaker compartment, and cable compartment are separated by metal partitions to limit the spread of faults; components are fixedly mounted, with no drawer mechanism.
• Safety Interlocks and Grounding: Door panels are grounded, and mechanical interlocks prevent misoperation; instrument doors and the cabinet body are reliably grounded to ensure personnel safety.
• Protection and Heat Dissipation: Up-and-down heat‑dissipation slots create a natural airflow, ensuring efficient cooling and low temperature rise; electrostatic powder coating provides corrosion resistance, while the matte panel reduces glare.
• Excellent dynamic thermal stability: With the main busbar positioned at the rear and high insulation strength of the busbar clamps, it can withstand a short-circuit current of 80 kA, ensuring high reliability.
• Flexible solutions: A wide range of standard configurations to suit power distribution, motor control, and reactive power compensation; excellent component compatibility, with domestic and imported brands fully interchangeable.
• Convenient wiring: The removable top cover facilitates busbar assembly; options for top, bottom, or rear cable entry accommodate diverse project requirements.
• Easy maintenance: Dual front and rear doors, clear component layout, and direct access from the front for inspection and replacement—no special tools required.
• Cost advantage: No complex drawer mechanisms, resulting in low manufacturing costs and high cost-effectiveness, making it ideal for budget‑sensitive projects.
• Applicable scenarios: Power plants, industrial and mining facilities, construction sites, shopping malls, and other distribution locations with stable loads that permit brief power interruptions.
Precautions
Please inquire.
Warranty period
Please inquire.
Details and Specifications
Model Specifications | Rated voltage | Rated current | Rated short-circuit breaking current | Rated short-circuit withstand current | Rated peak withstand current | |
GGD1 | 0.4 | A | 1000 | 15 | 15 | 30 |
B | 600(630) | |||||
C | 400 | |||||
GGD2 | 0.4 | A | 1500(1600) | 30 | 30 | 63 |
B | 1000 | |||||
C | 630 | |||||
GGD3 | 0.4 | A | 3150~6300 | 50 | 50 | 105 |
B | 2500 | |||||
C | 2000 | |||||
The data in the table are for reference only; the company reserves the right to modify the data and accepts special orders.
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